page-coinlistpassword {
    .kuang {
        position: absolute;
        left: 0;
        bottom: 0;
        width: 100%;
        height: 230px;
        background: #ffffff;
    }
    .juzhong {
        width: 100%;
        height: 230px;
        bottom: 0;
        left: 0;
        position: absolute;
    }
    .arrow_mask {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        right: 0;
        z-index: -1;
        display: block;
        background: black;
        opacity: 0.7;
    }
}